US107577A - Improvement in pruning-shears - Google Patents

Improvement in pruning-shears Download PDF

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Publication number
US107577A
US107577A US107577DA US107577A US 107577 A US107577 A US 107577A US 107577D A US107577D A US 107577DA US 107577 A US107577 A US 107577A
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United States
Prior art keywords
pruning
shears
improvement
knife
shank
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Expired - Lifetime
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    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G3/00—Cutting implements specially adapted for horticultural purposes; Delimbing standing trees
    • A01G3/02—Secateurs; Flower or fruit shears
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
    • B23D29/00—Hand-held metal-shearing or metal-cutting devices
    • B23D29/02—Hand-operated metal-shearing devices
    • B23D29/023—Hand-operated metal-shearing devices for cutting wires

Definitions

  • My invention relates to a novel combination which provides the rigid cutting-back and the drawing cut of the knife in such a manner that the-limb may always be severed at exactly the desired point.
  • the drawing is a front elevation of my invention.
  • the back plate, c is formed in one piece with the shank b, to which the handle c, of any desired length, is attached.
  • the plate a is curved over toward the knife a', whereby the limb or twig is held in the hook and prevented from slipping away from the knife.
  • the knife a' the edge of which is made convex to correspond with the back plate, is provided at its inner end with the segmental gear b', which oscillates upon a pivot, d, secured to the shank b.
  • a similar segment is formed upon the shank b2, to which the handle c is attached. The segment is pivoted at d to the shank b.
  • the hooked back plate, a is yplaced against the limb at the point where it is to be out off, and the knife a forced through it by swinging the pivoted handle c, which latter is not disturbed after being placed in position, and by this means the cut is always effected at the desired point.
  • the hooked back plate, a, and curved knife a' in combination with the segments b and b2, pivoted to the shank b, all arranged to operate in connection with handles c and c', as and for the purposes set forth.

Description

UNITED STATES PATENT ,OFFICEo FREDERICK A. WILL, oF sAN FRANCIsCo, CALIFORNIA.
IMPROVEMENT IN PRUNING-SHEARS.
Speeilcation Vforming part of Letters Patent No. l 07,577. dated September 20, 1870.
To all whom il; may concern,.-
Be it known that I, FREDERICK A. WILL, of the city and county of San Francisco, in the State of California, have invented a new and useful Improvement in Pruning-Shears, of which the following is a specification.
My invention relates to a novel combination which provides the rigid cutting-back and the drawing cut of the knife in such a manner that the-limb may always be severed at exactly the desired point.
The drawing is a front elevation of my invention.
The back plate, c, is formed in one piece with the shank b, to which the handle c, of any desired length, is attached. The plate ais curved over toward the knife a', whereby the limb or twig is held in the hook and prevented from slipping away from the knife. f
The knife a', the edge of which is made convex to correspond with the back plate, is provided at its inner end with the segmental gear b', which oscillates upon a pivot, d, secured to the shank b. A similar segment is formed upon the shank b2, to which the handle c is attached. The segment is pivoted at d to the shank b.
The hooked back plate, a, is yplaced against the limb at the point where it is to be out off, and the knife a forced through it by swinging the pivoted handle c, which latter is not disturbed after being placed in position, and by this means the cut is always effected at the desired point.
In addition to the above-mentioned advantage, my invention embraces that of the drawing out,77 and both are accomplished by simple means.
What I claim as my invention, and desire to secure by Letters Patent, is
The hooked back plate, a, and curved knife a', in combination with the segments b and b2, pivoted to the shank b, all arranged to operate in connection with handles c and c', as and for the purposes set forth.
In testimony whereof I have hereunto set my hand and seal. l
FREDERICK A. WILL. [L s] Witnesses:
C. W. M. SMITH, H. S.v TIBBEY.
US107577D Improvement in pruning-shears Expired - Lifetime US107577A (en)

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US107577A true US107577A (en) 1870-09-20

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US107577D Expired - Lifetime US107577A (en) Improvement in pruning-shears

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Cited By (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5570510A (en) * 1992-11-30 1996-11-05 Fiskars Oy Ab Lopper
US5689888A (en) * 1996-08-20 1997-11-25 Fiskars Consumer Oy Ab Variable force tool
US6681492B1 (en) * 2002-07-05 2004-01-27 Yao-Chung Huang Tree pruner provided with means to facilitate a series of continuous scissors actions on the same incision
US6789324B2 (en) 2000-05-12 2004-09-14 Fiskars Consumer Oy Ob Double gear hedge shears
US20050172499A1 (en) * 2004-02-05 2005-08-11 Hung Chuan Hsian Industries Co., Ltd. Gear-driven shears provided with a curved plate a movable jaw
US20080155835A1 (en) * 2006-12-28 2008-07-03 Thomas Lin Flower shears
US20090217534A1 (en) * 2006-05-09 2009-09-03 Olavi Linden Cutting tool
US20100043238A1 (en) * 2008-08-19 2010-02-25 Fiskars Brands Finland Oy Ab Cutting tool
US20100043237A1 (en) * 2008-08-19 2010-02-25 Fiskars Brands Finland Oy Ab Cutting tool
US20100162575A1 (en) * 2008-12-31 2010-07-01 Thomas Lin Gardening shears capable of increasing shearing area
US20100199502A1 (en) * 2007-05-22 2010-08-12 Fiskars Brands Finland Oy Ab Pruning shears
US20100269357A1 (en) * 2009-04-28 2010-10-28 Su-Hua Shan Labor-saving garden scissors
US20110138975A1 (en) * 2009-12-15 2011-06-16 Fiskars Brands Finland Oy Ab Method for manufacturing a hand tool handle, and a hand tool handle
US20140053413A1 (en) * 2012-08-23 2014-02-27 Ho Cheng Garden Tools Co., Ltd. Garden shears
US8679140B2 (en) * 2012-05-30 2014-03-25 Covidien Lp Surgical clamping device with ratcheting grip lock
US8701294B2 (en) 2009-09-13 2014-04-22 Acme United Corporation Cutting implement with interchangeable/replaceable blades
US9408350B1 (en) * 2015-03-19 2016-08-09 Jiin Haur Industrial Co. Ltd. Garden shears
US20160227709A1 (en) * 2013-11-20 2016-08-11 Fiskars Brands, Inc. Cutting tool with a variable pivot system
US10091946B2 (en) 2015-10-13 2018-10-09 Fiskars Finland Oy Ab Pruning shears

Cited By (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5570510A (en) * 1992-11-30 1996-11-05 Fiskars Oy Ab Lopper
CN1103538C (en) * 1995-06-07 2003-03-26 菲思卡斯公司 Lopper with two foot handle
US5689888A (en) * 1996-08-20 1997-11-25 Fiskars Consumer Oy Ab Variable force tool
US6789324B2 (en) 2000-05-12 2004-09-14 Fiskars Consumer Oy Ob Double gear hedge shears
US6681492B1 (en) * 2002-07-05 2004-01-27 Yao-Chung Huang Tree pruner provided with means to facilitate a series of continuous scissors actions on the same incision
US20050172499A1 (en) * 2004-02-05 2005-08-11 Hung Chuan Hsian Industries Co., Ltd. Gear-driven shears provided with a curved plate a movable jaw
US6935031B1 (en) * 2004-02-05 2005-08-30 Hung Chuan Hsian Industries Co., Ltd. Gear-driven shears provided with a curved plate on a movable jaw
US20090217534A1 (en) * 2006-05-09 2009-09-03 Olavi Linden Cutting tool
US8136252B2 (en) * 2006-05-09 2012-03-20 Fiskars Brands Finland Oy Ab Cutting tool
US20080155835A1 (en) * 2006-12-28 2008-07-03 Thomas Lin Flower shears
US20100199502A1 (en) * 2007-05-22 2010-08-12 Fiskars Brands Finland Oy Ab Pruning shears
US8220163B2 (en) 2007-05-22 2012-07-17 Fiskars Brands Finlay Oy AB Pruning shears
US8458912B2 (en) 2008-08-19 2013-06-11 Fiskars Brands Finland Oy Ab Cutting tool
US20100043238A1 (en) * 2008-08-19 2010-02-25 Fiskars Brands Finland Oy Ab Cutting tool
US20100043237A1 (en) * 2008-08-19 2010-02-25 Fiskars Brands Finland Oy Ab Cutting tool
US8220164B2 (en) 2008-08-19 2012-07-17 Fiskars Brands Finland Oy Ab Cutting tool
US20100162575A1 (en) * 2008-12-31 2010-07-01 Thomas Lin Gardening shears capable of increasing shearing area
US20100269357A1 (en) * 2009-04-28 2010-10-28 Su-Hua Shan Labor-saving garden scissors
US8701294B2 (en) 2009-09-13 2014-04-22 Acme United Corporation Cutting implement with interchangeable/replaceable blades
US20110138975A1 (en) * 2009-12-15 2011-06-16 Fiskars Brands Finland Oy Ab Method for manufacturing a hand tool handle, and a hand tool handle
US10967548B2 (en) 2009-12-15 2021-04-06 Fiskars Finland Oy Ab Method for manufacturing a hand tool handle, and a hand tool handle
US8679140B2 (en) * 2012-05-30 2014-03-25 Covidien Lp Surgical clamping device with ratcheting grip lock
US20140053413A1 (en) * 2012-08-23 2014-02-27 Ho Cheng Garden Tools Co., Ltd. Garden shears
US20160227709A1 (en) * 2013-11-20 2016-08-11 Fiskars Brands, Inc. Cutting tool with a variable pivot system
US9655305B2 (en) * 2013-11-20 2017-05-23 Fiskars Brands, Inc. Cutting tool with a variable pivot system
US20170215347A1 (en) * 2013-11-20 2017-08-03 Fiskars Brands, Inc. Cutting tool with a variable pivot system
US10321635B2 (en) * 2013-11-20 2019-06-18 Fiskars Finland Oy Ab Cutting tool with a variable pivot system
US9408350B1 (en) * 2015-03-19 2016-08-09 Jiin Haur Industrial Co. Ltd. Garden shears
US10091946B2 (en) 2015-10-13 2018-10-09 Fiskars Finland Oy Ab Pruning shears

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